OpenTechnical

OT-2026-000039644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039644) never changes.

Identity and time

Publication numberOT-2026-000039644 · never reused
Internal UUID01a0ae78-d8d4-7643-9e56-6160024c4a6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039644
StatusPUBLIC

Content hashes

Canonical text5adb9f0349a60b0fd7692817c1f04be2dd42e6f942cc5f28ad46d7dc3170081c
Markdown6e5a5764f168b981d28411ddb7951eeddae56b3c22a1dc73e86dce00d55f3cd6
PDF
Publication page35821a16fbb89efac5bc4a1b2703a34880f41933d9573a8b138abd754208a009
Manifest4b2ae6fc9676b377572ba3573b7b1e36050d6f42ba939216ea21889079086e05

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturec4Nac9uGFiV7zS2+wtA88LTTk68aGDMCfkL0DUzcIoF9t+7G3uxOJn0jFZHFSfoWQzqRSeiTZc/KuZtCPZivDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:49.123489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039644
observed 35821a16fbb89efac5bc4a1b2703a348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.106628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039644/manifest.json
observed 4b2ae6fc9676b377572ba3573b7b1e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.087009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039644/publication.md
observed 6e5a5764f168b981d28411ddb7951eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.067280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039644/publication.txt
observed 5adb9f0349a60b0fd7692817c1f04be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.